PART NAME OPEN RELAY RACK SHELF PART No. REVISION DATE SA-1748 MATERIAL: 16 GA. [1.5mm] STEEL 17.63 447.7 FINISH: METALLIC GRAY BLACK TEXTURE LOAD RATING: 150 LBS. [68 KG.] MAX. 19.00 482.6 18.34 465.9 1.25 31.8 2.25 57.2 .28 7.1 .188 (2X) 4.78 5.22 132.5 1.25 31.8 .44 11.1 .38 TYP. 9.5 FRONT & BACK 1.72 43.6 10.00 254 .41 10.3 7-3-13